Tapioca cannot be eaten with eggs, raw peach kernels, ginkgo nuts, loquat kernels, and bitter almonds. Moreover, you should not consume too much cassava at one time, let alone eat raw cassava, and you cannot take cassava soup.

The roots of cassava are rich in starch and are a good source of starch for food and industry. However, all parts of the cassava plant, including roots, stems, and leaves, contain toxic substances, and the fresh roots are more toxic. The toxic substance is linolein.

Eating raw or undercooked cassava and its soup can cause poisoning. This is due to the fact that linolein and linoleinase present in cassava may be hydrolyzed by gastric acid to produce free hydrocyanic acid. Eating 150 to 300g of raw cassava can cause poisoning and even death.

Extended information:

Cassava was introduced to China in the 1820s. It was first cultivated in Gaozhou, Guangdong Province, and then introduced to Hainan Island. It is now widely distributed in South China, with Guangxi, It is most cultivated in Guangdong and Hainan, and has also been introduced in the southern regions of Fujian, Yunnan, Jiangxi, Sichuan and Guizhou provinces.

From a global perspective, in 2013 alone, the world's cassava production was 256 million tons. It is one of the three major potato crops with an annual output of over 100 million tons, and is also an important food crop globally. .

Cassava is full of treasures. The roots are rich in starch, and the stems and leaves contain chemical components such as flavonoids, phenols, sugars, coumarins, phytosterols, triterpenes and volatile oils.

At the same time, cassava leaves are also rich in other nutrients and are a rare dryland food crop. According to FAO statistics, 65% of the world's cassava is used for food rations for direct consumption. The main consumer countries are located in some countries in Africa, South America and Southeast Asia.

Methods to avoid cassava poisoning

First, you must not eat cassava raw. Must be peeled and steamed, because cassava skin is highly toxic;

Second, do not eat cassava on an empty stomach, do not drink the water used to cook cassava, and do not eat too much, after all, even after processing, cassava still has trace amounts Toxins exist;

Third, do not use copper pots for cooking, because the substances and copper in cassava can easily form copper cyanide precipitation. If there is too much precipitation, it will decompose, and the copper compounds and cyanides produced by decomposition are both It is a toxic substance.

Baidu Encyclopedia - Cassava

People's Health Network - Cassava is poisonous. Can pearls be added to milk tea?